noun
- Wedge-shaped bone consisting of five fused vertebrae forming the posterior part of the pelvis; its base connects with the lowest lumbar vertebra and its tip with the coccyx. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Sacrum. Retrieved September 21, 2026, from http://smartdefine.org/sacrum/definitions/1212232 |
| Chicago | WordNet. 2010. "Sacrum" http://smartdefine.org/sacrum/definitions/1212232 (accessed September 21, 2026). |
| Harvard | WordNet 2010, Sacrum, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/sacrum/definitions/1212232>. |
| MLA | WordNet. "Sacrum" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/sacrum/definitions/1212232> |